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AveGali [126]
3 years ago
8

Identify the lateral area and surface area of a regular triangular pyramid with base edge length 14 cm and slant height 15 cm

Mathematics
2 answers:
Nata [24]3 years ago
7 0
Answer would be D L=315 cm2 ; S=399 cm2
posledela3 years ago
6 0

Answer:

D) L = 315 cm2 ; S = 399.9 cm2

Step-by-step explanation:

Lateral area;

3 × (½)(14)(15)

315 cm²

Surface area:

315 + (½)(14)(14)sin(60)

399.8704896 cm²

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